Articles with "momentum densities" as a keyword



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Magnetic properties and spin momentum densities of Ni excess Ni-Mn-Sn Heusler alloys

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Published in 2019 at "Journal of Magnetism and Magnetic Materials"

DOI: 10.1016/j.jmmm.2019.03.125

Abstract: Abstract The role of excess Ni in Ni2+xMn1−xSn (x = 0.05, 0.1) Heusler alloys has been reported using temperature dependent magnetic Compton spectroscopy. The experimental Compton profiles from magnetic electrons have been analyzed to quantify the contribution… read more here.

Keywords: spin moments; spin momentum; heusler alloys; momentum densities ... See more keywords
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Electron momentum densities near Dirac cones: Anisotropic Umklapp scattering and momentum broadening

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-00628-4

Abstract: The relationship between electron momentum densities (EMDs) and a band gap is clarified in momentum space. The interference between wavefunctions via reciprocal lattice vectors, making a band gap in momentum space, causes the scattering of… read more here.

Keywords: gap; momentum densities; umklapp scattering; momentum ... See more keywords
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Orbital angular momentum densities in the astigmatic transformation of Lissajous geometric laser modes.

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Published in 2023 at "Optics letters"

DOI: 10.1364/ol.484982

Abstract: Orbital angular momentum densities in the astigmatic transformation of Lissajous geometric laser modes are originally and systematically investigated. The quantum theory of the coherent state is exploited to derive an analytical wave representation for the… read more here.

Keywords: orbital angular; densities astigmatic; angular momentum; momentum densities ... See more keywords